Jawabanmu

2014-06-10T21:31:26+07:00
Luas permukaan prisma
= 2 x la + ka x t
= 2 x ( 12 x 16 ) + ( 12 + 16 + 20) x 10
= ( 2 x 192 ) + ( 48 x 10 )
= 384 + 480
= 864 cm²
2014-06-10T21:45:44+07:00
Luas permukaan prisma
= 2 x la + ka x t
= 2 x ( 12 x 16 ) + ( 12 + 16 + 20) x 10
= ( 2 x 192 ) + ( 48 x 10 )
= 384 + 480
= 864 cm²